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I really like the 7700 bb, since it's light and made from high quality parts,
but it's not the best sealed bb in the world.
Even with lots of grease in there, i'd check on it regularly. Water seems to
get in there no matter what you try to keep it out. The ultegra sealed octilink
bb was the replacement of choice for most folks looking for a simple, well sealed
unit. I prefer the 7700, but it takes some looking after.
-g
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